(:*******************************************************:)
(: Test: K2-SeqExprCast-404                              :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:21+01:00                       :)
(: Purpose: Cast xs:language to xs:string.               :)
(:*******************************************************:)
xs:string(xs:language("foo"))